2 "screen_name": "master",
6 "area_name": "fullscreen",
7 "transmitter_port": 54401,
14 "screen_name": "slave",
15 "ip": "192.168.200.101",
20 "area_name": "split.sub",
21 "transmitter_port": 54411,
29 "ip": "192.168.200.102",
34 "area_name": "fullscreen",
35 "transmitter_port": 54421,
40 "area_name": "leftup",
41 "transmitter_port": 54422,